MigraDoc.Rendering.ParagraphRenderer.RenderBorders C# (CSharp) Method

    void RenderBorders()
    {
      if (this.paragraph.Format.IsNull("Borders"))
        return;

      Area shadingArea = GetShadingArea();
      XUnit left = shadingArea.X;
      XUnit top = shadingArea.Y;
      XUnit bottom = shadingArea.Y + shadingArea.Height;
      XUnit right = shadingArea.X + shadingArea.Width;

      Borders borders = this.paragraph.Format.Borders;
      BordersRenderer bordersRenderer = new BordersRenderer(borders, this.gfx);
      XUnit borderWidth = bordersRenderer.GetWidth(BorderType.Left);
      if (borderWidth > 0)
      {
        left -= borderWidth;
        bordersRenderer.RenderVertically(BorderType.Left, left, top, bottom - top);
      }

      borderWidth = bordersRenderer.GetWidth(BorderType.Right);
      if (borderWidth > 0)
      {
        bordersRenderer.RenderVertically(BorderType.Right, right, top, bottom - top);
        right += borderWidth;
      }

      borderWidth = bordersRenderer.GetWidth(BorderType.Top);
      if (this.renderInfo.FormatInfo.IsStarting && borderWidth > 0)
      {
        top -= borderWidth;
        bordersRenderer.RenderHorizontally(BorderType.Top, left, top, right - left);
      }

      borderWidth = bordersRenderer.GetWidth(BorderType.Bottom);
      if (this.renderInfo.FormatInfo.IsEnding && borderWidth > 0)
      {
        bordersRenderer.RenderHorizontally(BorderType.Bottom, left, bottom, right - left);
      }
    }